The radial forearm flap provides thin, supple skin from the underside of the wrist and forearm. Surgeons choose it when the area being rebuilt has to bend and fold easily, such as the lining of the mouth.
A radial forearm flap moves a thin piece of skin and fat from the forearm along with the radial artery that supplies it. Surgeons carry that tissue to the new site and join its vessels under a microscope. Before surgery the hand is tested to confirm the remaining artery can supply it well.
Skin on the front of the forearm sits over a chain of small vessels fed by the radial artery, the same artery a nurse feels when taking your pulse at the wrist. Surgeons can lift that skin with the artery and its veins, giving a flap that is thin, soft and unusually easy to shape.
Those qualities matter most inside the mouth and throat. Bulky tissue there gets in the way of speech and swallowing, whereas this flap drapes over a tongue or cheek defect and can even be rolled into a tube to rebuild a passage. Hand surgeons use it for the same reason, since fingers need cover that bends.
Every flap has a cost, and here the cost falls on the forearm. Taking the radial artery is only reasonable when the hand is well supplied by the ulnar artery, which is why the Allen test and sometimes a scan come first. The donor area is usually resurfaced with a skin graft, leaving a patch that stays visible.
It suits reconstructions that need thin, foldable tissue and a long vessel, in people whose hand circulation is shown to be safe without the radial artery.
Circulation is assessed with the Allen test and, when there is any doubt, a scan of the wrist vessels. Surgery goes ahead only once the hand is shown to be safe without the radial artery.
The skin island is drawn on the front of the forearm to match the shape of the defect. Its size is planned so the arm can be resurfaced predictably afterwards.
Working under tourniquet, the surgeon lifts the skin with the radial artery, its veins and a strip of surrounding tissue while protecting the tendons and the nerve that supplies the thumb side.
The flap is moved to the defect, shaped or tubed as needed, and its artery and vein are joined to recipient vessels under a microscope until flow is steady.
A skin graft, usually taken from the thigh or upper arm, resurfaces the forearm. A splint and a bulky dressing hold the graft still while it takes.
The flap is monitored closely and the hand is checked for warmth, colour and movement. Your arm rests on a splint, raised to control swelling.
Graft dressings are opened at the planned time and the splint comes off once the surface has taken. Gentle finger and wrist movement begins under guidance, and speech or swallowing therapy may start if the mouth was rebuilt.
Wrist movement and grip usually improve steadily with exercises. The grafted patch remains pink and slightly firm, and it needs regular moisturiser and sun protection.
Scars flatten and fade over many months. Numbness near the thumb often lessens, though a small area may stay altered, and cold sensitivity can linger.
Function is usually the strongest gain. Speech and swallowing often improve when soft lining replaces a tongue or cheek defect, and covered fingers regain useful movement. Appearance is a compromise. Forearm skin looks different from facial skin, and the donor patch on the arm stays visible and is hard to hide in short sleeves. Wrist strength normally recovers with exercises, although some stiffness or cold sensitivity may remain.
Most of the specific concerns with this flap relate to the arm it is taken from, so those deserve honest discussion.
The forearm needs steady attention for weeks, while the rebuilt area follows the routine set for that part of the body.
The hand normally receives blood from two arteries. Surgery proceeds only after tests show the remaining one supplies the hand well.
A grafted donor patch stays visible long term. It softens and lightens, yet most people find it needs sleeves rather than time to hide it.
Lining replaced in the mouth changes how the tongue moves. Speech and swallowing usually improve steadily with therapy rather than immediately.
Newer donor sites exist, but few match its thinness and vessel length, so it remains a first choice for certain mouth, throat and hand problems.
Elegance Clinic in Surat weighs what a donor site costs a patient just as carefully as what the reconstruction gains, and says so openly at consultation. Hand testing and rehabilitation are treated as part of the operation, not extras.
Because this is a technique rather than a complete treatment, the page carries no price of its own. What you pay depends on the operation the flap serves, whether that is oral cancer reconstruction, hand salvage or a throat repair, and on theatre time, hospital stay and therapy.
A written estimate follows your assessment, and the related treatment page gives the usual band.
These are the questions that come up most often in consultation. If yours is not here, send it on WhatsApp and the team will reply, usually the same day.
Ask your question →Pricing sits with the treatment, not the technique. Theatre time, the hospital stay, the skin graft, dressings and any therapy all feed into it. A written estimate is issued after assessment so families can plan before admission.
It is safe only when tests show the hand is well supplied by the other wrist artery. That check is done before surgery is offered. If the result is borderline, a different donor site is chosen instead.
Graft dressings stay undisturbed for the period your team sets, then the skin gradually toughens over weeks. Movement exercises start early to avoid stiffness. Complete settling of colour and softness can take many months.
Often yes, when soft lining replaces tissue lost from the mouth or throat. Improvement is usually gradual and depends on how much was removed, on radiotherapy and on regular sessions with a speech and swallowing therapist.
Anyone whose hand depends heavily on the radial artery, whose forearm is scarred or used for dialysis access, or who needs bulky tissue rather than thin lining. Heavy manual workers may prefer a donor site that is easier to hide.
Timing follows the underlying problem. After tumour removal the flap is often raised at the same sitting. After trauma or infection, the wound is cleaned first and reconstruction waits until the bed is healthy.
You are examined, your hand circulation is tested and your medicines, tobacco use and other conditions are reviewed. Alternatives are explained, along with risks, the donor scar, likely recovery and the written estimate before any date is booked.
Seeing patients from across the city and beyond: read about the practice on the plastic surgeon in Surat page, or check what a written estimate covers on the costs and insurance page.
